package com.design.观察者模式;

/**
 * @author: sun.hongliang
 * @create: 2019/09/02 17:37
 */
public class BinaryObserver extends Observer {

    public BinaryObserver(Subject subject) {
        this.subject = subject;
        this.subject.attach(this);
    }

    @Override
    public void update() {
        System.out.println("Binary String: " + Integer.toBinaryString(subject.getState()));
    }
}
